Safety InformationOperating InstructionsTroubleshooting TipsCustomer ServiceIMPORTANT SAFETY INFORMATION.READ ALL INSTRUCTIONS BEFORE USING.4WARNING!For your safety, the information in this manual must befollowed to minimize the risk of fire, explosion, electricshock, or to prevent property damage, personal injury,or loss of life.Under certain conditions hydrogen gas may be produced ina water heater that has not been used for two weeks ormore. HYDROGEN GAS IS EXPLOSIVE.If the hot water has not been used for two weeks or more, preventthe possibility of damage or injury by turning on all hot waterfaucets and allow them to run for several minutes. Do this beforeusing any electrical appliance which is connected to the hot watersystem. This simple procedure will allow any built-up hydrogen gasto escape. Since the gas is flammable, do not smoke or use an openflame or appliance during this process.WATER HEATER SAFETY